| 000 | 00329nam a22001097a 4500 | ||
|---|---|---|---|
| 082 | _a157.8 | ||
| 100 | _aPERKINS E.A | ||
| 245 |
_aHelping the retarded: _ba systematic behavioral approach/ _cE.A Perkins, P.D. Taylor and A.C.M. Capie |
||
| 260 |
_aWolverhampton: _bInstitute of mental: _cc |
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| 300 |
_av,105p.: _bill.; |
||
| 942 | _cBK01 | ||
| 999 |
_c4894 _d4894 |
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